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Digital Computer Electronics

Digital Computer Electronics
The reduced form of the Boolean expression (A+B)(A+C) is:

AC+B
AB+AC
A+BC
None of these
A+B+C

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Digital Computer Electronics
An OR gate can be imagined as

All of these
MOS transistors connected in series
None of these
switches connected in series
switches connected in parallel

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Digital Computer Electronics
A combinational logic circuit which generates particular binary word or number is

demultiplexer
encoder
multiplexer
None of these
decoder

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Digital Computer Electronics
What is the hexadecimal equivalent of a binary number 10101111

8C
None of these
AF
All of these
9E

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Digital Computer Electronics
The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI.

MSI, LSI
ECL, DTL
None of these
SSI, LSI
SSI, MSI

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Digital Computer Electronics
What table shows the electrical state of a digital circuit's output for every possible combination of electrical states in the inputs?

ASCII table
Truth table
None of these
Routing table
Function table

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